Home / 109,715.70-164,586.75-38,623.58

Finding the Fourth Proportional to 109,715.70, 164,586.75 and 38,623.58

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Solution

The fourth proportional to 109,715.70, 164,586.75 and 38,623.58 is: 57,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.70 : 164,586.75 = 38,623.58 : x
  2. Step 2: Convert to fraction form
    109,715.70/164,586.75 = 38,623.58/x
  3. Step 3: Cross multiply
    109,715.70x = 164,586.75 × 38,623.58
  4. Step 4: Simplify right side
    109,715.70x = 6,356,928,682.63
  5. Step 5: Solve for x
    x = 6,356,928,682.63/109,715.70
  6. Step 6: Final answer
    x = 57,940.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.